Siemens SITRANS DA400 Operating Instructions Manual page 4

Table of contents
5.8 Connecting the power supply...................................................................................................... 28
5.9 Connect the ground..................................................................................................................... 29
6 Operation................................................................................................................................................. 31
6.1 Overview of digital display and buttons....................................................................................... 31
6.2 Digital display .............................................................................................................................. 32
6.3 Measuring menu ......................................................................................................................... 33
6.3.1 Overview and digital display in the measuring menu.................................................................. 33
6.3.2 Measurement channel list ........................................................................................................... 34
6.3.3 Operating the measuring menu .................................................................................................. 34
6.3.4 Acoustic channels ....................................................................................................................... 35
6.3.4.1 Measuring mode ......................................................................................................................... 35
6.3.4.2 Simulation mode ......................................................................................................................... 36
6.3.4.3 Test mode ................................................................................................................................... 38
6.3.5 Universal inputs........................................................................................................................... 40
6.3.5.1 Analog input ................................................................................................................................ 40
6.3.5.2 Digital input ................................................................................................................................. 41
6.4 Parameter menu ......................................................................................................................... 42
6.4.1 Parameter menu overview .......................................................................................................... 42
6.4.2 Parameter list .............................................................................................................................. 43
6.4.3 Setting parameters...................................................................................................................... 45
6.4.4 Displaying the software version .................................................................................................. 46
6.4.5 Parameter lock ............................................................................................................................ 46
6.5 Trace menu ................................................................................................................................. 47
6.5.1 Trace menu overview.................................................................................................................. 47
6.5.2 Trace menu list............................................................................................................................ 47
6.5.3 Displaying and resetting timers................................................................................................... 49
6.6 Examples..................................................................................................................................... 50
6.6.1 Example Acoustic channel 1 ....................................................................................................... 50
6.6.2 Example universal input 1 ........................................................................................................... 51
7 Signal processing .................................................................................................................................... 53
7.1 Evaluating acoustic channels...................................................................................................... 53
7.2 Evaluation of universal inputs ..................................................................................................... 56
7.2.1 Universal input evaluation overview............................................................................................ 56
7.2.2 Evaluation of analog current signals ........................................................................................... 56
7.2.3 Evaluation of 24 V digital signals ................................................................................................ 57
7.2.4 Processing input faults ................................................................................................................ 58
7.2.5 Activation of digital outputs ......................................................................................................... 59
7.3 Trace function ............................................................................................................................. 61
7.4 Alarm acknowledgement............................................................................................................. 63
8 Commissioning ........................................................................................................................................ 65
8.1 Overview ..................................................................................................................................... 65
8.2 Recommendation for the selection of parameters ...................................................................... 66
8.2.1 Preparation.................................................................................................................................. 66
8.2.2 Measuring sensitivity of the acoustic channels via parameters P.1 to P.4. ................................ 67
8.2.3 Main alarm threshold via parameters P.6, P.8, P.10 and P.12................................................... 67
8.2.4 Pre-alarm threshold via parameters P.5, P.7, P.9 and P.11....................................................... 67
8.2.5 Response time via parameter P.13............................................................................................. 68
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SITRANS DA400 for oscillating positive displacement pumps with protection against explosion
Operating Instructions, 10/2007, A5E00841127-01